]> 2026-07-31T11:51:19+00:00 WBR0464 0 en ''Francisella tularensis'' ''Ehrlichia chaffeensis'' ''Yersinia pestis'' ''Chlamydophila psittaci'' ''Borrelia recurrentis'' Microbiology A 32-year-old woman from southwestern USA presents to the emergency department (ED) with a 2-day history of fever and a painful swelling in her left axilla. She denies any pulmonary symptoms. In the ED, the patient is appropriately isolated and blood cultures are withdrawn. The next day, the diagnosis of plague is made. When the physician explains to the patient about her disease, he informs her that the plague is caused by an organism that cycles between flea, wild rodents, squirrels, prairie dogs, and cats. Which of the following agents is responsible for the patient's diagnosis? C Infectious Disease 2020-10-28T00:40:14Z 2459150.5279398 WBR0464